PROBLEM TO BE SOLVED: To provide novel and more effective hydroxy docosahexaenoic acid (DHA) analogues.SOLUTION: A novel 14-hydroxy docosahexaenoic acid (DHA) analogue is represented by the formula (I). [In the formula, each of P1 and P2 is a protecting group or H； each single broken like represents a double bond； Z is -C(O)ORd, -(O)NRR, -C(O)H, or the like； Rd is a protecting group, H, or the like； each of Ris independently a protecting group, or two Rtogether with N form heteroaryl, heteroarylalkyl, or the like.]【課題】新規かつより効果的なヒドロキシドコサヘキサエン酸（ＤＨＡ）アナログの提供。【解決手段】式（Ｉ）で表される新規１４－ヒドロキシドコサヘキサエン酸（ＤＨＡ）アナログ。［式中、Ｐ1およびＰ2は、各々保護基もしくはＨ；一重破線は二重結合；Ｚは－Ｃ（Ｏ）ＯＲd、－（Ｏ）ＮＲｃＲｃ、－Ｃ（Ｏ）Ｈ等；Ｒdは保護基もしくはＨ等；Ｒｃは各々独立に保護基又は２ヶのＲｃがＮと一緒にヘテロアリール若しくはヘテロアリールアルキル等］【選択図】なし
